A new, definitive perspective of electrokinetic and colloid transport processes Responding to renewed interest in the subject of electrokinetics, Electrokinetic and Colloid Transport Phenomena is a timely overview of the latest research and applications in this field for both the beginner and the professional. An outgrowth of an earlier text (by coauthor Jacob Masliyah), this self-contained reference provides an up-to-date summary of the literature on electrokinetic and colloid transport phenomena as well as direct pedagogical insight into the development of the subject over the past several decades. A distinct departure from standard colloid science monographs, Electrokinetic and Colloid Transport Phenomena presents the most salient features of the theory in a simple and direct manner, allowing the book to serve as a stepping-stone for further learning and study. In addition, the book uniquely discusses numerical simulation of electrokinetic problems and demonstrates the use of commercial finite element software for solving these multiphysics problems. Among the topics covered are: * Mathematical preliminaries * Colloidal systems * Electrostatics and application of electrostatics * Electric double layer * Electroosmosis and streaming potential * Electrophoresis and sedimentation potential * London-Van der Waals forces and the DLVO theory * Coagulation and colloid deposition * Numerical simulation of electrokinetic phenomena * Applications of electrokinetic phenomena Because this thorough reference does not require advanced mathematical knowledge, it enables a graduate or a senior undergraduate student approaching the subject for the first time to easily interpret the theories. On the other hand, the application of relevant mathematical principles and the worked examples are extremely useful to established researchers and professionals involved in a wide range of areas, including electroosmosis, streaming potential, electrophoretic separations, industrial practices involving colloids and complex fluids, environmental remediation, suspensions, and microfluidic systems.
Produced water contributes to the largest volume waste stream associated with oil and gas (O&G) exploration and production (E&P) operations. It is usually a complex mixture of inorganics and organics that is formed underground and brought to the surface during O&G production. Traditionally, produced water has been considered as a waste to the O&G industry. The conventional management strategies include disposal (typically by injection into depleted wells or permitted disposal wells), recycle (direct reuse within the E&P operation), and reuse (treatment and reuse offsite for food crop irrigation, livestock watering or industrial use). The O&G industry is going through a paradigm shift, where scarcity of water, economics of water management, declining oil costs, and increasing focus on environmental and ecological stewardship are shifting the focus toward integrated water management in E&P operations. Water is no longer a problem to be delegated to a third-party disposal or treatment vendor, but is becoming a cornerstone of O&G production. In this review, we summarize produced water characteristics, regulations and management options, produced water treatment fundamentals, and a detailed discussion of process equipment and advantages/disadvantages of currently available treatment processes. These results in peer-reviewed publications could provide a guide for the selection of appropriate technologies based on the desired application. Major research efforts in the future could focus on the optimization of current technologies and use of combined treatment processes of produced water in order to comply with reuse and discharge limits, under more stringent environmental regulations.
Today, many Indians are unaware that World War II was once fought in India’s North-eastern region. The twin battles of Imphal and Kohima were so fierce that in 2013, a poll conducted in London recognized these as ‘Britain’s Greatest Battle.’ But, in the history of India’s independence movement, they have largely been eclipsed. While global historical accounts have framed them as a Japanese invasion of India, the truth is they were parts of India’s armed Liberation War against British colonial rule spearheaded by the Indian National Army under Netaji Subhas Chandra Bose, with the audacious ambition of uprooting the British Raj from the soil of India. British Prime Minister Churchill knew it well. However, fearing a cascading effect resulting in a nationwide uprising in support of Bose’s Liberation Army, Churchill orchestrated a smear campaign to misrepresent this attack as a mere Japanese invasion rather than acknowledging its true nationalist origins. Against this backdrop, the story eruditely recounts the gamut of India’s major revolutionary movements culminating in the full-fledged Liberation War, which was played down and belittled by the conspiracies of the Allied forces of World War II to conceal it from becoming known to the world. The book highlights how British propagandists actively embarked on a vicious slander campaign against Subhas Bose to undermine India’s quest for freedom, deliberately seeking to camouflage the daring legacy of Subhas Bose and all others. Yet, in the final analysis, the story narrates how Netaji’s Liberation War subsequently forced the British to free India.
We have grown up in a country where we were taught a distorted history, and some essential segments of our yesteryear have been obscured. Consequently, we were wronged, and we wronged others - unwittingly. Knowing our factual past is, therefore, vital to understanding the aberrations that make our present problematic. This book attempts to sensitise people on some crucial chapters of India, which have either been misrepresented or blurred. The Indian state of Assam has been distressed by several historical deceptions for over a century now, which have remained unaddressed. Thus, despite being one of the most fascinating territories inhabited by incredibly charming people, Assam is often in the national and international news, mostly for the wrong reasons. A case in point is a 1983 American magazine editorial in The New Republic that reportedly wrote, inter alia, “There are places - the Indian state of Assam is one – where the slaughter of children is a form of political expression.” The caustic comment was made in an apparent reference to the 1983 broad daylight Nellie massacre, killing countless newborns, toddlers, babies, infirm females, aged people and others indiscriminately in six hours of mayhem in the village on 18th February 1983. Dissemination of factual awareness about the disinformation spread earlier by British colonial rulers concerning the history of eastern India is, therefore, essential to end the present conflicts between the various communities and tribes of the region. With meticulous research backed by years of personal experience, septuagenarian author Subir wrote this book aiming to permeate ordinary peoples’ much-needed understanding of past realities and the prevalent circumstances that should help usher in peace and prosperity promptly in Assam.
The Gujarat State Petroleum Corporation (GSPC) has been a leading economic light of the Gujarat Model. It was the flagship project of an “economic resurgence” that the Narendra Modi government unleashed after his re-election as state chief minister in December 2002. Unbridled industrialisation cloaked the stains of the 2002 communal riots, and for this, a home-grown company became its new face. But the GSPC was not Modi’s baby, for it had existed over 20 years before being selected to be the face of the Gujarat Model. A decade and a half later, it is symbolic of that model, and everything that is wrong with the hype—as also the myth—surrounding it. The GSPC has been a misadventure, and serves as a classic case of how political grandstanding can lead to financial disaster. Time and again, the corporation was hauled up by the Comptroller and Auditor-General (CAG) of India over its cavalier attitude towards ventures that never paid off and for living beyond its means. Yet, the state ignored all criticism. The truth is that the GSPC not only never made money, it instead bled the exchequer. As losses spiralled out of control, Modi’s relocation to New Delhi as prime minister came handy: the Oil and Natural Gas Corporation (ONGC) bailed out the GSPC by buying out the latter’s stake in the Krishna-Godavari Basin project. Grand Illusion charts out the GSPC’s growth since 2002, and summarises it thus: Modi’s pride, Gujarat’s embarrassment.
This book outlines the technologies and techniques used in the oil & gas industry’s shift from treating produced water as a “waste stream” to an integrated water management approach. Produced water is formed underground and brought to the surface during oil & gas (O&G) production and exploration and production (E&P) operations. It is usually a complex mixture of inorganics and organics and contributes to the largest volume waste stream of O&G and E&P operations. Traditionally, produced water has been considered a waste and conventional management strategies include disposal (typically by injection into depleted wells or permitted disposal wells), recycling (direct reuse within the E&P operation) and reuse (treatment and reuse offsite for food crop irrigation, livestock watering or industrial use). The O&G industry is going through a paradigm shift where scarcity of water, economics of water management, declining oil costs, and increasing focus on environmental and ecological stewardship are shifting the focus toward integrated water management in E&P operations. Water is no longer a problem to be delegated to a third-party disposal or treatment vendor, but is becoming a cornerstone of O&G production. This is a summary of produced water characteristics, regulations and management options, produced water treatment fundamentals, and a detailed discussion of process equipment and advantages/disadvantages of currently available treatment processes. It provides a guide for selecting appropriate technologies for the desired application and points toward the optimization of current technologies and the use of combined treatment processes to meet reuse and discharge limits and critically, more stringent environmental regulations.
A new, definitive perspective of electrokinetic and colloid transport processes Responding to renewed interest in the subject of electrokinetics, Electrokinetic and Colloid Transport Phenomena is a timely overview of the latest research and applications in this field for both the beginner and the professional. An outgrowth of an earlier text (by coauthor Jacob Masliyah), this self-contained reference provides an up-to-date summary of the literature on electrokinetic and colloid transport phenomena as well as direct pedagogical insight into the development of the subject over the past several decades. A distinct departure from standard colloid science monographs, Electrokinetic and Colloid Transport Phenomena presents the most salient features of the theory in a simple and direct manner, allowing the book to serve as a stepping-stone for further learning and study. In addition, the book uniquely discusses numerical simulation of electrokinetic problems and demonstrates the use of commercial finite element software for solving these multiphysics problems. Among the topics covered are: * Mathematical preliminaries * Colloidal systems * Electrostatics and application of electrostatics * Electric double layer * Electroosmosis and streaming potential * Electrophoresis and sedimentation potential * London-Van der Waals forces and the DLVO theory * Coagulation and colloid deposition * Numerical simulation of electrokinetic phenomena * Applications of electrokinetic phenomena Because this thorough reference does not require advanced mathematical knowledge, it enables a graduate or a senior undergraduate student approaching the subject for the first time to easily interpret the theories. On the other hand, the application of relevant mathematical principles and the worked examples are extremely useful to established researchers and professionals involved in a wide range of areas, including electroosmosis, streaming potential, electrophoretic separations, industrial practices involving colloids and complex fluids, environmental remediation, suspensions, and microfluidic systems.
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